254670080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 714451584

約数和(自身を除く): 459781504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 430, 448, 560, 602, 640, 661, 688, 860, 896, 1120, 1204, 1280, 1322, 1376, 1505, 1720, 1792, 2240, 2408, 2644, 2752, 3010, 3305, 3440, 4480, 4627, 4816, 5288, 5504, 6020, 6610, 6880, 8960, 9254, 9632, 10576, 11008, 12040, 13220, 13760, 18508, 19264, 21152, 23135, 24080, 26440, 27520, 28423, 37016, 38528, 42304, 46270, 48160, 52880, 55040, 56846, 74032, 77056, 84608, 92540, 96320, 105760, 113692, 142115, 148064, 169216, 185080, 192640, 198961, 211520, 227384, 284230, 296128, 370160, 385280, 397922, 423040, 454768, 568460, 592256, 740320, 795844, 846080, 909536, 994805, 1136920, 1184512, 1480640, 1591688, 1819072, 1989610, 2273840, 2961280, 3183376, 3638144, 3979220, 4547680, 5922560, 6366752, 7276288, 7958440, 9095360, 12733504, 15916880, 18190720, 25467008, 31833760, 36381440, 50934016, 63667520, 127335040, 254670080]

約数ペア:

[(1, 254670080), (2, 127335040), (4, 63667520), (5, 50934016), (7, 36381440), (8, 31833760), (10, 25467008), (14, 18190720), (16, 15916880), (20, 12733504), (28, 9095360), (32, 7958440), (35, 7276288), (40, 6366752), (43, 5922560), (56, 4547680), (64, 3979220), (70, 3638144), (80, 3183376), (86, 2961280), (112, 2273840), (128, 1989610), (140, 1819072), (160, 1591688), (172, 1480640), (215, 1184512), (224, 1136920), (256, 994805), (280, 909536), (301, 846080), (320, 795844), (344, 740320), (430, 592256), (448, 568460), (560, 454768), (602, 423040), (640, 397922), (661, 385280), (688, 370160), (860, 296128), (896, 284230), (1120, 227384), (1204, 211520), (1280, 198961), (1322, 192640), (1376, 185080), (1505, 169216), (1720, 148064), (1792, 142115), (2240, 113692), (2408, 105760), (2644, 96320), (2752, 92540), (3010, 84608), (3305, 77056), (3440, 74032), (4480, 56846), (4627, 55040), (4816, 52880), (5288, 48160), (5504, 46270), (6020, 42304), (6610, 38528), (6880, 37016), (8960, 28423), (9254, 27520), (9632, 26440), (10576, 24080), (11008, 23135), (12040, 21152), (13220, 19264), (13760, 18508)]